Electromagnetic capping-machine.



No; 703,952. Patented July I, I902.

L. .1. BORIE. ELECTROMAGNETIC CAPPING MACHINE;

o Model.)

UNITED STATES i PATENT OFF CE.

LOUIS J. BORIE, OF SAN FRANCISCO, CALIFORNIA.

ELECTROMAGNETIC CAPPING-MACHINE.

SPECIFICATION forming an of Letters Patent no. 703,952, dated July 1, 1902. Application filed October 8, 1901. Serial IIO VZQ'IZ. (N0 model.)

To 00% whom it may concern":

Be it known that I, LoUIsJ. BoRIE,Ia citizen of the United States of America, and a resident of the city and county of 'San'Francisco and State of California, have invented new and useful Improvements in Electromag netic Capping-Machines, of whichthe following is a specification. 1

This invention relates to an improvement madein the bottle-cappingmachine describedand claimed in a previous application for a patent filed by me on or about theth'day of February, 1901, Serial No.45,853.

The present improvement has for its object to provide that machine withaready means of regulating the width of opening or the distance between the jaws or.'di es, so as toadjust the machine to act with varying degrees of pressure and on diflferent sizes of bottles and capsules while the machine isin operation without interrupting the work To such end this invention consists in certain novel construction andconibination of parts, as hereinafter set forth,and specifically claimed at the end of this specification, and in which reference is had to the accompanying drawings, forming part thereof.

In the said drawings, Figure 1 is a front elevation, partly in section, of my improved capping-machine with a means for adjusting the jaws or dies applied to the lower.jaw','1the same showing my improved construction. Fig. 2 is a detail view of theadj usti'ng device on the lower jaw. e

A A indicate two electromagnetsof the solenoid type, comprising each two solid 'cores a b, loosely fitting in a spoolor bobbin 0, and B B the heads or armatures unitingthe cores a a and b b of the two bobbins. One of-these heads is fixed on or forms part of a stationarybase d, from which the cores b b'stand p'er pendicularly upward, whil'e.the other head is carried by the cores a a, which areunited to it by threaded bolts and nuts ef. The bob bins c are wound according to the well-known principle of forming solenoid magnets and are properly connected,through a switch-lever g and circuit-closers 72, with a source of electric energy through which the required degree of magnetomotive force is generated in the oppositely-set cores a b, and the two heads B B. are mutually attracted as often as a currentis directed through the bobbins. Secured to the-two heads by rigid shanks formed of rods KL are two jaws H I, set in opposition to each other and properly shaped to embrace and act on the piece of work when inserted between them. The first-mentioned jaw H,be- 'in gsecuredtothemovable head B, is brought toward and against the other jaw I, that is fixed to the opposite stationary head B, as often as the current is directed through the bobbin, a'ndthe attracting power of the magne'tsthen acts to bring the jaws together with force upon the work lying between the jaws. In the present improvementnwhich has for its object to provide a ready and variable adjustment of the jaws toward or away from each other for the purpose of regulating the degree or extent of pressure that the jaws shall exerton thework, I attach one jaw rigidly to the head above or behind it by screwingtherod'K in the head B and fixing it by a-:nutfm;but the rod L, which carries the other j aw and connects it to the opposite head B, I attach to that head, as shown in detail in Fig. 2 of the drawings, so that it is movable longitudinally with respect to the opposite and fixed jaw to a limited extent, while it is properly supported and held in line with the opposite jaw to sustain the pressure when the two jaws are brought together upon the jwork'. .justing meansis applied by preference to the lower jaw as being perhaps more readily managed by the operator while the machine is operating than it would be if placed on the :movable head.

In the present construction this ad- The rod L, carrying the jaw I, has ascrew-thread on the lower portion for ,a distance beyond the end sufficient to eX- tend through an aperture n in the head B and v theibase beneath, and on this threaded end is fitted a cup-shaped nut or cap p, the base of the machine having a recess 8 to admit the cap. Between the back of the last-mentioned recess and the cap 19 isinterposed a coiled spring i, and on the screw-threaded portion of the rod above thehead B. is fitted a nut to, with a flat-bottom face resting on the top face of the head. By turning the nut to the rod will be moved longitudinally up or down and the distance between the jaw carried by the rod and the oppositely-set jaw will be varied according to the direction in which the nut is turned and the extent of its rotation. The rod is prevented from turning in the socket by means of a screw 1;, setting through the side of the head B into a slot y in the screwrod. As the pressure of the coiled spring is always against the cap, tending to draw the rod downward, a constant pressure of the nut w against the top surface of the head is maintained, the result of which is to hold the nut in place wherever it may be set,

' while at the same time the screw-rod is caused to respond quickly to the movement of the nut when the same is turned and is raisedor lowered in the socket without lost motion. This means provided for adjusting the jaws with relation to each other enables the degree ,of pressure exerted upon the work to be readily and quite delicately adjusted and Varied without interrupting the operation of the machine.

' Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

In a capping-machine comprising a stationary head supporting a jaw or die, and a movable head carrying a similar jaw or die, of means for adjusting one jaw relatively to the other to vary the degree of pressure exerted on the piece ofwork introduced be-,

Witnesses:

HARRY J. LASK, EDWARD E. OSBORN. 

